Sound — Science STD 8 — Question

Which micro-organism is utilised in making curd from milk?

Name the biggest cell?

What is meant by rapid combustion? Give one example of rapid combustion.

Name the characteristic of sound which can distinguish between the 'notes' (musical sounds) played on a flute and a sitar (both the notes having the same pitch and loudness).

Name the star (after the Sun) which is closest to the Earth.

Name two domestic animals which are used to obtained milk.

Name two food materials which are preserved by using common salt.

Which stage comes earlier in the development of a human baby from zygote: foetus or embryo?

Name the smallest unit of life.

What name is given to that part of the earth in which living organism exist (or which supports life)?